Official data from INPI

EMPREGO DE SULFATO DE CÁLCIO PARA MELHORA DA FERMENTAÇÃO DE SUBSTÂNCIAS RESIDUAIS ORGÂNICAS

ArquivadaInvention PatentPCT · DE1988000781

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Application data

Number

PI8807391

Type

Invention Patent

Filing

12/24/1988

Publication

05/22/1990

PCT

DE1988000781

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Progress at the INPI

Filing12/24/88
Publication05/22/90
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 12/24/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/26/1991. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. K. (pessoa física)

Inventors

R. K. (pessoa física)

Technical data

IPC Classification

C05B 17/00 C05B 5/00 C05D 3/02 C05G 3/04

Priority claims

P 37 44 317.8 · 12/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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